Auto Information

the radiator is part of the vehicle's…

cooling system

which component cranks the engine during starting?

starter motor

which component supplies electrical power and charges the battery while the engine runs?

alternator

the thermostat primarily

regulates coolant flow according to temperature

the crankshaft converts piston reciprocating motion into…

rotary motion

the camshaft primarily controls…

valve timing

in a gasoline spark-ignition engine, the spark plug…

ignites the air-fuel mixture

during the compression stroke, the piston generally moves…

upward, compressing the charge

the power stroke occurs when…

combustion pressure drives the piston downward

engine oil primarily …

reduces friction and wear

brake fluid in a hydraulic brake system primarily…

transmits force

a differential is important because it lets drive wheels…

rotate at different speed in a turn

shock absorbers primarily …

dampen suspension oscillations

worn tire tread most directly reduces…

traction, especially on wet surfaces

incorrect wheel alignment can commonly cause…

uneven tire wear

in the four-stroke cycle, which stroke comes immediately after intake?

compression

a cooling-system water pump normally …

circulates coolant

what is a common purpose of the engine air filter?

remove particles from intake air

a vehicle pulls to one side while braking. Which area could plausibly require inspection?

break system or tire condition

the purpose of a vehicle's engine oil filter is to…

remove contaminants from circulating oil

the suspension spring primarily…

supports vehicle load and stores energy as it compresses

under-inflated tires can increase…

rolling resistance and heat buildup

a vehicle's exhaust system primarily carries…

combustion. gases away from the engine

the battery's main role during engine cranking is to…

supply electrical energy to the starter circuit

the brake rotor slows a wheel mainly because brake pads create…

friction